Living in a multi-family house requires accepting certain inconveniences, among which noise is the leading factor. It can run from other apartments (usually on the upper floor), but also from a crowded street, parking lot or playground. If noise becomes a real nuisance, it is a good idea to counteract.

Curved walls are a nightmare for the owner of an old or unprofessionally built house. The fault is usually attributed to bricklayers or plasterers. If it has not been repaired in time under the warranty, the owner will have to bear the financial consequences and spend a lot of money.